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Prestige 2802HW(L)-Ix Support Notes
All contents copyright (c) 2007 ZyXEL Communications Corporation.
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What DHCP capability does the Prestige support?....................................126
How do I used the reset button, more over what field of parameter will be
reset by reset button? .................................................................................126
What network interface does the new Prestige series support?.................127
How does the Prestige support TFTP?.......................................................127
Can the Prestige support TFTP over WAN? ..............................................127
How fast can the data go?..........................................................................127
What is Multi-NAT? ..................................................................................128
When do I need Multi-NAT? .....................................................................128
What IP/Port mapping does Multi-NAT support? .....................................129
What is the difference between SUA and Multi-NAT? .............................130
What is BOOTP/DHCP?............................................................................130
What is DDNS?..........................................................................................130
When do I need DDNS service? ................................................................131
What DDNS servers does the Prestige support?........................................131
What is DDNS wildcard?...........................................................................131
Does the Prestige support DDNS wildcard?..............................................131
Can the Prestige SUA handle IPsec packets sent by the VPN gateway
behind Prestige?.........................................................................................131
How do I setup my Prestige for routing IPsec packets over SUA? ...........132
PSTN Lifeline FAQ ...........................................................................................132
What is P2802 and what is the difference between P2802HW and
P2802HWL? ..............................................................................................132
What does Lifeline mean? .........................................................................132
Do I need Lifeline? ....................................................................................132
Can I connect more than one phone on the phone port?............................132
Can I receive incoming PSTN call through P2802HWL ?........................132
Can I make an outgoing PSTN call through P2802HWL ?.......................133
VoIP FAQ...........................................................................................................133
What is Voice over IP? ..............................................................................133
How does Voice over IP work? .................................................................133
Why use VoIP? ..........................................................................................133
What is the relationship between codec and VoIP?...................................133
What advantage does Voice over IP can provide?.....................................134
What is the difference between H.323 and SIP?........................................134
Can H.323 and SIP interoperate with one another?...................................134
What is voice quality?................................................................................134